Home / 5,528.88-7,631.82-4,938.39

Finding the Fourth Proportional to 5,528.88, 7,631.82 and 4,938.39

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Solution

The fourth proportional to 5,528.88, 7,631.82 and 4,938.39 is: 6,816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.88 : 7,631.82 = 4,938.39 : x
  2. Step 2: Convert to fraction form
    5,528.88/7,631.82 = 4,938.39/x
  3. Step 3: Cross multiply
    5,528.88x = 7,631.82 × 4,938.39
  4. Step 4: Simplify right side
    5,528.88x = 37,688,903.57
  5. Step 5: Solve for x
    x = 37,688,903.57/5,528.88
  6. Step 6: Final answer
    x = 6,816.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.